code: def get_default_path():
      if "TF_CONFIG" in os.environ:
          tf_config = json.loads(os.environ["TF_CONFIG"])
          job_dir = tf_config.get("job", {}).get("job_dir")
          if job_dir:
              # Instead of using the job_dir we create a folder inside.
              job_dir = os.path.join(job_dir, "pretrained_checkpoints/")
              return job_dir
  
      return get_luminoth_home()
  
file_path: luminoth/luminoth/utils/checkpoint_downloader.py
imports: import click
  import json
  import os
  import requests
  import tarfile
  import tensorflow
  from luminoth.utils.homedir import get_luminoth_home
label_desc: Use image node_id 1 for calling a global function with example usage: get_default_path() and returns: get_luminoth_home, job_dir